James a



Patented Nov. I, |898. y J. A. McKIM. SUPPORTING FIREPRDDFING 0N COLUMNS 0R BEAMS.

(Application led June 20, 1898.)

(No Model.)

NrrE STATES PATENT OFFICE.

JAMES A. MCKIM, OF INDIANAPOLIS, INDIANA.

SUPPORTING FIREPROOFING ON COLUMNS OR BEAMS'.

SPECIFICATION forming part of Letters Patent No. 613,464, dated November 1, 1898; Application filed June 20, 1898. Serial No. 683,919. (No model.)

To cir/ZZ whom t may concern.-

Beit known that I, JAMES A. MoKIM, a citizen of the United States, residing at Indianapolis, in the county of Marion and State of Indiana, have invented certain new and useful Improvements in Clamps for Supporting Fireprooiing on Columns or Beams, of which the following is a specification.

. The object of my said invention is to provide a simple and inexpensive clamping device which maybe easily and quickly attached to the members of building-frames, suchY as the columns and beams, and serve as a base for the lathing or similar structure to which the mortar or plastering is applied, and which shall also embody means for easily, quickly, and cheaply attaching such lathing.

Clamps embodying my said invention will first be fully described and the novel features thereof then pointed .out in the claims. p

Referring to the accompanying drawings, which are made a part and on which similar numerals of reference indicate similar parts, Figure 1 is a horizontal sectional View of a column composed of metal and plastering and in the construction of which the lathing is secured to the metal column by means of the clamp embodying my present invention; Fig. 2, a sectional view as seen from the dotted line 2 2 in Fig. 1, the metal column, however,being removed to show the inner surface of the clamp parts, the position of said column being indicated by means of dotted lines; Fig. 3, a sectional view through a portion of a floor, the lower edge of the beam or girderbeing protected by a plaster casing, the lathing to which the plastering is applied being attached to the foot of said girder by a clamp embodying my said invention; and Fig. 4, a central sectional View of such a clamp as is shown in Fig. 3, but on an enlarged scale. 'n

In said drawings all the parts except the clamps in question are or may be of any usual or desired construction, and as they form no part of my present invention will not be' further described herein except incidentally in describing said invention.

Said clamps are preferably of cast metal and are of a form to tit over the Iianges or projecting members of the columns or beams which it is desired to cover. Two forms are shown (and their use illustrated) in the drawings, especially in Figs. 1 and 3; but the differences, as will be readily understood, are of shape only, so as to adapt them to the par ticular form of structure desired, there being no essential dierence in construction. In each a lip 1 is adapted to engage behind the flange or projecting member of the collar or beam, While the other end swings around and is secured by a suitable pin, usually in the form of a nail or spike 2, which passes through a suitable hole providedA for the purpose. As will be seen especially by an examination of Figs. 1 and 4, these holes are formed at something of an angle with the surface against which the pin is to impinge, so that as said pin is driven in it is bent somewhat and draws the clamp tightly against the structure to which it is applied. These pins should be of a character having some elasticity, so that when the clamps are once applied they are held in place by a continuous spring force. Upon the outer sides of these clamps are 'small ears 3,which are adapted to pass through slits or perforations in the lathing, and these ears in turn have suitable perforations, into which after the lathing is applied small pins or nails 4 may be inserted, and said nails or pins secure said lathin g tightly to said clamps. These clamps are placed at suitable intervals along the columns or beams, and after the lathing is applied thereto form elements of a very strong and durable structure and one which can be produced with the expenditure of but little labor and small skill. They are also so formed as to come in contact with the columns or beams only at certain points, and thus air-spaces are provided by which said columns or beams are well protected from external heat.

Having thus fully described my said invention, what I claim as new, and desire to secure by Letters Patent, is-

1. The combination, with a member of a buildingframe,of alathing-supporting clamp adapted to be secured to said member which is provided upon one side with a hook-like flange and upon the otherside with a perforation, and a pin adapted to be driven into said perforation and to impinge against Aan adjacent surface of said member, substantially as set forth.

2. As a new article of manufacture, a sup IOO in passing over said ears, and small pins passing through said perforations in said ears behind Said lathing,said se veral parts being construoted, arranged and operating substantially as Shown and described.

In Witness whereof I have hereunto set my hand and seal, at Indianapolis, Indiana, this 14th day of June, A. D. 1898.

JAMES A. MCKIM.

Vitnesses CHESTER BRADFORD, JAMES A. WALSH. 

